FI80528C - Metalldetektor foer upptaecka metallfoeremaol. - Google Patents

Metalldetektor foer upptaecka metallfoeremaol. Download PDF

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Publication number
FI80528C
FI80528C FI854742A FI854742A FI80528C FI 80528 C FI80528 C FI 80528C FI 854742 A FI854742 A FI 854742A FI 854742 A FI854742 A FI 854742A FI 80528 C FI80528 C FI 80528C
Authority
FI
Finland
Prior art keywords
coils
field
metal
coil
detector
Prior art date
Application number
FI854742A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI80528B (fi
FI854742A0 (fi
FI854742A (fi
Inventor
Gerd Aichele
Gerhard Vallon
Original Assignee
Vallon Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vallon Gmbh filed Critical Vallon Gmbh
Publication of FI854742A0 publication Critical patent/FI854742A0/fi
Publication of FI854742A publication Critical patent/FI854742A/fi
Publication of FI80528B publication Critical patent/FI80528B/fi
Application granted granted Critical
Publication of FI80528C publication Critical patent/FI80528C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
FI854742A 1985-11-02 1985-11-29 Metalldetektor foer upptaecka metallfoeremaol. FI80528C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP85113952 1985-11-02
EP85113952A EP0222028B1 (fr) 1985-11-02 1985-11-02 Détecteur de métaux pour la détection d'objets métalliques

Publications (4)

Publication Number Publication Date
FI854742A0 FI854742A0 (fi) 1985-11-29
FI854742A FI854742A (fi) 1987-05-03
FI80528B FI80528B (fi) 1990-02-28
FI80528C true FI80528C (fi) 1990-06-11

Family

ID=8193861

Family Applications (1)

Application Number Title Priority Date Filing Date
FI854742A FI80528C (fi) 1985-11-02 1985-11-29 Metalldetektor foer upptaecka metallfoeremaol.

Country Status (4)

Country Link
US (1) US4779048A (fr)
EP (1) EP0222028B1 (fr)
DE (1) DE3567112D1 (fr)
FI (1) FI80528C (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68907484T2 (de) * 1989-09-01 1993-11-11 S G Kk Positionswertgeber.
WO1992001956A1 (fr) * 1990-07-20 1992-02-06 John Lysaght (Australia) Limited Detecteur de position de feuillard
AU663849B2 (en) * 1990-07-20 1995-10-26 Bhp Steel (Jla) Pty Limited Strip position sensor
US5432444A (en) * 1990-10-23 1995-07-11 Kaisei Engineer Co., Ltd. Inspection device having coaxial induction and exciting coils forming a unitary coil unit
US5247253A (en) * 1990-11-09 1993-09-21 Curtis Instruments, Inc. Eddy current proximity sensing means and method useful for determining throttle position
US5397986A (en) * 1991-11-01 1995-03-14 Federal Labs Systems Lp Metal detector system having multiple, adjustable transmitter and receiver antennas
IT1260208B (it) * 1992-11-19 1996-04-02 Giovanni Manneschi Metal detector perfezionato
US5790685A (en) * 1995-06-29 1998-08-04 Tracor, Inc. Apparatus and method for detecting and imaging metal
US5726628A (en) * 1996-05-06 1998-03-10 Gd Electronics, Inc. Metal detector system
US5969528A (en) * 1998-01-22 1999-10-19 Garrett Electronics, Inc. Dual field metal detector
ATE364187T1 (de) * 1999-10-13 2007-06-15 Hilti Ag Induktiver messkopf für metalldetektoren
KR100429471B1 (ko) * 2000-12-28 2004-05-03 주식회사 방산테크노로지 총기류검색시스템
DE20200759U1 (de) * 2002-01-19 2002-04-04 Maier & Fabris GmbH, 72072 Tübingen Vorrichtung zur Detektion von Metallgegenständen
US8148989B2 (en) 2002-03-11 2012-04-03 Keith Kopp Ferromagnetic detection enhancer compatible with magnetic resonance
KR100465487B1 (ko) * 2002-03-12 2005-01-13 주식회사 방산테크노로지 도어 고정 장치를 구비한 총기류 검색 시스템
US7157913B2 (en) * 2003-10-01 2007-01-02 The Johns Hopkins University Re-configurable induction coil for metal detection
DE102004017185B4 (de) * 2004-04-07 2010-06-10 Siemens Ag Medizinisches Gesamtsystem
GB0505089D0 (en) * 2005-03-11 2005-04-20 Glaxo Group Ltd System and methods for detecting environmental conditions
EP1750148A1 (fr) * 2005-08-04 2007-02-07 Giovanni Manneschi Détecteur de métaux à haute performance
EP1808713A3 (fr) * 2006-01-11 2007-11-21 Maier & Fabris GmbH Procédé et dispositif destinés à la détection d'objets métalliques dans la zone de personnes devant être examinées par des contrôles de personnes
JP4539699B2 (ja) * 2007-09-19 2010-09-08 富士ゼロックス株式会社 携行物管理ゲート
US8203335B2 (en) * 2008-03-28 2012-06-19 Infineon Technologies Austria Ag System and method for an inductive proximity switch on a common substrate
DE102012108671A1 (de) * 2012-09-17 2014-05-28 Paul Vahle Gmbh & Co. Kg Metall-Fremdkörper-Erkennungssystem für induktive Energieübertragungssysteme
JP6294112B2 (ja) * 2014-03-13 2018-03-14 アンリツインフィビス株式会社 金属検出装置
RU174394U1 (ru) * 2017-05-16 2017-10-11 Общество с ограниченной ответственностью "ИНФОСЕКЬЮР" Стационарный арочный металлодетектор
RU174393U1 (ru) * 2017-07-07 2017-10-11 Общество с ограниченной ответственностью "ИНФОСЕКЬЮР" Стойка стационарного металлодетектора
US11409017B2 (en) 2018-06-20 2022-08-09 Eriez Manufacturing Co. Metal detector coil configuration to eliminate orientation effect

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300768A (en) * 1963-08-20 1967-01-24 Boeing Co Radiant energy type intrusion alarm system
FI40646B (fr) * 1967-04-10 1968-12-31 Outokumpu Oy
US3526886A (en) * 1968-03-26 1970-09-01 Westinghouse Air Brake Co Precision location detector
US3697972A (en) * 1969-06-26 1972-10-10 Yull Brown Metal detection and alarm systems
US3665449A (en) * 1969-07-11 1972-05-23 Minnesota Mining & Mfg Method and apparatus for detecting at a distance the status and identity of objects
US3676772A (en) * 1970-08-18 1972-07-11 Nasa Metallic intrusion detector system
US3763424A (en) * 1971-07-15 1973-10-02 Sperry Rand Corp Metal detector for identifying and discriminating between objects of different size, shape, orientation and ferrous content and including an auto nulling circuit
US3758849A (en) * 1972-03-31 1973-09-11 Sperry Rand Corp Metal detector system having identical balanced field coil system on opposite sides of a detection zone
US3983552A (en) * 1975-01-14 1976-09-28 American District Telegraph Company Pilferage detection systems
US4063230A (en) * 1975-06-12 1977-12-13 The Magnavox Company Balanced field theft detection system
FR2327556A1 (fr) * 1975-10-07 1977-05-06 Thomson Csf Capteur electromagnetique sensible a une modification d'un champ magnetique et son application a la circulation routiere
US4053828A (en) * 1976-05-03 1977-10-11 Xonics, Inc. Metal detector with first and second nested rectangular coils
SE420649B (sv) * 1976-05-20 1981-10-19 Atomenergi Ab Anordning for elektromagnetisk metning vid hog temeratur av atmindtone en av storheterna niva, avstand och hastighet i samband med i en behallare, kanal eller liknande innehallet flytande ledande material med mycket ...
US4394645A (en) * 1981-09-10 1983-07-19 Sensormatic Electronics Corporation Electrical surveillance apparatus with moveable antenna elements
DE3228447C2 (de) * 1982-07-30 1986-04-10 Vallon GmbH, 7412 Eningen Meßverfahren zur Erkennung von metallischen Gegenständen und Metalldetektor zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
US4779048A (en) 1988-10-18
FI80528B (fi) 1990-02-28
DE3567112D1 (en) 1989-02-02
EP0222028B1 (fr) 1988-12-28
FI854742A0 (fi) 1985-11-29
FI854742A (fi) 1987-05-03
EP0222028A1 (fr) 1987-05-20

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MM Patent lapsed

Owner name: VALLON GMBH